Works very well. I needed to install a PRV (reducing valve + expansion tank) on my house plumbing and there wasn't much space in the main toilet. Have previously purchased two other gauges that only worked up to 160psi, but their 1/4" threads had weird cross cuts (signs of poor manufacturing or quality control) that would leak unless I pressed them firmly. No matter how much Teflon. Scotch and Pipe Dope which I used. These gauges go up to 200psi, seem to be more sensitive, the dials are a bit larger and fit no problem the first time. I wanted two sensors to read before/after and the final setup turned out to be perfect.
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